Long-Term Debt (Schedule Of Long-Term-Debt) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 15, 2009
Debt Instrument [Line Items]
Total debt	$ 1,337.4us-gaap_LongTermDebt	$ 1,386.9us-gaap_LongTermDebt
Less current maturities	403.5us-gaap_LongTermDebtCurrent	250.3us-gaap_LongTermDebtCurrent
Long-term debt	933.9us-gaap_LongTermDebtNoncurrent	1,136.6us-gaap_LongTermDebtNoncurrent
North America [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total debt	136.8	225.0
North America [Member] \| 5.75% Senior Notes due 2022 [Member]
Debt Instrument [Line Items]
Face Value	600.0	600.0
Interest rate	5.75%	5.75%
Maturity Date	October 2022	October 2022
North America [Member] \| Subordinated Convertible Notes Due 2029 [Member]
Debt Instrument [Line Items]
Face Value	429.5	429.5	162.9
Debt discount	(259.7)	(261.5)	(266.6)
Total debt	169.8	168.0
Maturity Date	November 2029	November 2029
North America [Member] \| Senior Floating Rate Notes [Member]
Debt Instrument [Line Items]
Face Value	125.0	125.0
Interest rate	2.60%	2.60%
Maturity Date	July 2015	July 2015
North America [Member] \| Other Debt [Member]
Debt Instrument [Line Items]
Face Value	9.0	9.0
Europe [Member] \| Credit Facilities [Member]
Debt Instrument [Line Items]
Total debt	0	0.3
Europe [Member] \| Other Debt [Member]
Debt Instrument [Line Items]
Total debt	10.5	10.3
Latin America [Member] \| Credit Facilities [Member]
Debt Instrument [Line Items]
Total debt	238.6	179.6
Maturity Date	Various	Various
Africa/Asia Pacific [Member] \| Credit Facilities [Member]
Debt Instrument [Line Items]
Total debt	$ 47.7	$ 69.7
Maturity Date	Various	Various

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

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- Definition

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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- Definition

Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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